Allium Cepa Bulb Extract
Onion bulb extract with quercetin and sulfur compounds. In haircare claimed as a hair-growth stimulator; in creams as anti-inflammatory.
Evidence by route
Topical application
CWeak evidence. In vitro data, open-label studies, or expert consensus.
Anti-inflammatory potential described in models. Small studies on scar treatment exist with inconsistent results.
- Draelos ZD. J Cosmet Dermatol. 2008;7(2):101-104.
Tolerability and safety
Irritation potential
MediumAllergen risk
ModeratePregnancy
SafeSkin types
Suitable for
Use with caution
Frequently asked questions
Is Allium Cepa Bulb Extract safe during pregnancy?
Allium Cepa Bulb Extract is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
What skin types is Allium Cepa Bulb Extract for?
Allium Cepa Bulb Extract suits: normal, oily, combination. Use with caution in: sensitive, dry.
Can Allium Cepa Bulb Extract irritate the skin?
Allium Cepa Bulb Extract has moderate irritation potential. Sensitive skin may show a transient reaction that usually settles with adaptation.